/*
 * $HeadURL: $
 *
 * $Author: $
 * $Date: $
 * $Revision: $
 *
 *
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.l2j.gameserver.taskmanager;

import java.util.Map;
import java.util.logging.Logger;

import javolution.util.FastMap;
import net.sf.l2j.gameserver.ThreadPoolManager;
import net.sf.l2j.gameserver.model.L2Character;
import net.sf.l2j.gameserver.network.serverpackets.AutoAttackStop;

/**
 * This class ...
 * 
 * @version $Revision: $ $Date: $
 * @author Luca Baldi
 */
public class AttackStanceTaskManager {
	protected static final Logger _log = Logger
			.getLogger(AttackStanceTaskManager.class.getName());
	protected Map<L2Character, Long> _attackStanceTasks = new FastMap<L2Character, Long>()
			.shared();
	private static AttackStanceTaskManager _instance;

	public AttackStanceTaskManager() {
		ThreadPoolManager.getInstance().scheduleAiAtFixedRate(
				new FightModeScheduler(), 0, 1000);
	}

	public static AttackStanceTaskManager getInstance() {
		if (_instance == null)
			_instance = new AttackStanceTaskManager();
		return _instance;
	}

	public void addAttackStanceTask(L2Character actor) {
		_attackStanceTasks.put(actor, System.currentTimeMillis());
	}

	public void removeAttackStanceTask(L2Character actor) {
		_attackStanceTasks.remove(actor);
	}

	public boolean getAttackStanceTask(L2Character actor) {
		return _attackStanceTasks.containsKey(actor);
	}

	private class FightModeScheduler implements Runnable {
		protected FightModeScheduler() {
			// Do nothing
		}

		public void run() {
			Long current = System.currentTimeMillis();
			try {
				if (_attackStanceTasks != null)
					synchronized (this) {
						for (L2Character actor : _attackStanceTasks.keySet())
							if (current - _attackStanceTasks.get(actor) > 15000) {
								actor.broadcastPacket(new AutoAttackStop(actor
										.getObjectId()));
								actor.getAI().setAutoAttacking(false);
								_attackStanceTasks.remove(actor);
							}
					}
			} catch (Throwable e) {
				// TODO: Find out the reason for exception. Unless caught here,
				// players remain in attack positions.
				_log.warning(e.toString());
			}
		}
	}
}
